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From Wikipedia, the free encyclopedia

Ulla-Førre
The artificial lake Blåsjø and Storvassdammen
Location of Ulla-Førre in Norway
CountryNorway
StatusOperational
Owner(s)Statkraft
Reservoir
CreatesBlåsjø
Total capacity3.1 km3 (0.74 cu mi)
Active capacity7.8 TWh[1]
Surface area84.48 km2 (32.62 sq mi)
Normal elevation930–1,055 m (3,051–3,461 ft)
Kvilldal Hydroelectric Power Station
Installed capacity1,240 MW
Annual generation3,517 GWh
Saurdal Hydroelectric Power Station
Installed capacity640 MW
Annual generation1,335 GWh
Hylen Hydroelectric Power Station
Installed capacity160 MW
Annual generation583 GWh
Stølsdal Hydroelectric Power Station
Installed capacity17 MW
Annual generation51 GWh

Ulla-Førre is a hydropower complex in Southern Norway. It is situated along the borders of the municipalities of Suldal and Hjelmeland (in Rogaland county) and Bykle (in Agder county), Norway. It has an installed capacity of approximately 2,100 megawatts (2,800,000 hp), and the annual average production is 4.45 TWh (16.0 PJ) (1987–2006), while its reservoir capacity is about 7.8 TWh (28 PJ); at full production, it can last seven to eight months.[1] The complex includes the artificial lake Blåsjø, which is made by dams around 1,000 metres (3,300 ft) above the sea level. The hydroelectric power stations in the complex are Saurdal, Kvilldal, Hylen and Stølsdal, operated by Statkraft.[2]

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Transcription

Blåsjø

Blåsjø is the tenth largest lake in Norway by area. It is located in the municipality of Bykle in Agder county and the municipalities of Hjelmeland and Suldal in Rogaland county. The lake is about 20 kilometres (12 mi) west of the village of Bykle. It has a surface area of 84.48 square kilometres (32.62 sq mi). Its surface swings between 930 and 1,055 metres (3,051 and 3,461 ft) above sea level depending on seasonal weather and power consumption, and it has a shoreline of about 200 kilometres (120 mi).[3] At the highest regulated water level, Blåsjø contains 3,105,000,000 cubic metres (4.061×109 cu yd) of water.

Kvilldal Hydroelectric Power Station

The Kvilldal Power Station is a located in the municipality of Suldal. The facility operates at an installed capacity of 1,240 megawatts (1,660,000 hp), making it the largest power station in Norway in terms of capacity.[4] Statnett plans to upgrade the western grid from 300 kV to 420 kV at a cost of 8 billion kr,[5][6] partly to accommodate the North Sea Link cable[7] from Kvilldal to Blyth, UK.[8]

Saurdal Hydroelectric Power Station

The Saurdal Power Station is a hydroelectric and pumped-storage power station located in the municipality of Suldal. The facility operates at an installed capacity of 674 megawatts (904,000 hp) (in 2015). The average energy absorbed by pumps per year is 1,189 GWh (4,280 TJ) (in 2009 to 2012). The average annual production is 1,335 GWh (4,810 TJ) (up to 2012).[9]

Hylen Hydroelectric Power Station

The Hylen Power Station is located at the bottom of Hylsfjord in Suldal. It operates at an installed capacity of 160 megawatts (210,000 hp), with an average annual production of 583 GWh (2,100 TJ). The plant exploits water through a tunnel from the lake Suldalsvatnet.[10]

References

  1. ^ a b "Om kraftmarkedet og det norske kraftsystemet – NVE". nve.no (in Norwegian). 31 October 2019. Archived from the original on 13 February 2020. Blåsjø er med en kapasitet på 7,8 TWh Norges største magasin. Det rommer tre års normaltilsig, men kan med full produksjon tømmes i løpet av om lag 7–8 måneder.
  2. ^ Pleym, Arne G.; Tøndevold, Erik; Ystanes, Karl (2007). Ulla-Førre 1982–2007. Statkraft Energi AS – Region Vest-Norge.
  3. ^ "Blåsjø" (in Norwegian). Store norske leksikon. Retrieved 16 May 2010.
  4. ^ Vinjar, Asbjørn (2007). "Kvilldal kraftstasjon". In Henriksen, Petter (ed.). Store norske leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 14 December 2009.[permanent dead link]
  5. ^ "Western corridor". Statnett.
  6. ^ "Vestre korridor" (in Norwegian). Statnett. 15 September 2023.
  7. ^ "Oppstart av arbeid på Vestre korridor". 15 September 2023.
  8. ^ "Cable to the UK". Statnett. Archived from the original on 30 October 2014. Retrieved 24 February 2016.
  9. ^ Rosvold, Knut A. "Saurdal kraftverk". In Henriksen, Petter (ed.). Store norske leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 15 August 2011.
  10. ^ Rosvold, Knut A. "Hylen kraftverk". In Henriksen, Petter (ed.). Store norske leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 20 August 2011.

External links

This page was last edited on 24 September 2023, at 03:13
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